Changed TextDirection to an enum class and renamed its members

third_party/WebKit/Source/core/layout/line/AbstractInlineTextBox.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 96 matching lines @@
   if (!m_inlineTextBox)
     return 0;
 
   return m_inlineTextBox->len();
 }
 
 AbstractInlineTextBox::Direction AbstractInlineTextBox::getDirection() const {
   if (!m_inlineTextBox || !m_lineLayoutItem)
     return LeftToRight;
 
-  if (m_lineLayoutItem.style()->isHorizontalWritingMode())
-    return (m_inlineTextBox->direction() == RTL ? RightToLeft : LeftToRight);
-  return (m_inlineTextBox->direction() == RTL ? BottomToTop : TopToBottom);
+  if (m_lineLayoutItem.style()->isHorizontalWritingMode()) {
+    return (m_inlineTextBox->direction() == TextDirection::Rtl ? RightToLeft
+                                                               : LeftToRight);
+  }
+  return (m_inlineTextBox->direction() == TextDirection::Rtl ? BottomToTop
+                                                             : TopToBottom);
 }
 
 void AbstractInlineTextBox::characterWidths(Vector<float>& widths) const {
   if (!m_inlineTextBox)
     return;
 
   m_inlineTextBox->characterWidths(widths);
 }
 
 void AbstractInlineTextBox::wordBoundaries(
@@ skipping 80 matching lines @@
 
   InlineBox* previous = m_inlineTextBox->prevOnLine();
   if (previous && previous->isInlineTextBox())
     return getOrCreate(toInlineTextBox(previous)->getLineLayoutItem(),
                        toInlineTextBox(previous));
 
   return nullptr;
 }
 
 }  // namespace blink